Add net-im/matterbridge alongside associated dependencies

Signed-off-by: Shin'ya Minazuki <shinyoukai@laidback.moe>

net-im/matterbridge/files/matterbridge.initd-r2

@@ -0,0 +1,17 @@
+#!/sbin/openrc-run
+# Copyright 2026 Shin'ya Minazuki
+
+: ${MATTERBRIDGE_USER="matterbridge"}
+: ${MATTERBRIDGE_GROUP="matterbridge"}
+
+supervisor="supervise-daemon"
+
+command="/usr/bin/${RC_SVCNAME}"
+command_args="-conf /etc/matterbridge.toml"
+command_background="true"
+command_user="${MATTERBRIDGE_USER}:${MATTERBRIDGE_GROUP}"
+pidfile="/run/matterbridge.pid"
+
+depend() {
+	need net
+}

net-im/matterbridge/files/matterbridge.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Matterbridge
+After=network-online.target
+
+[Service]
+ExecStart=/usr/bin/matterbridge -conf /etc/matterbridge.toml
+Restart=always
+RestartSec=5s
+User=matterbridge
+Group=matterbridge
+
+[Install]
+WantedBy=multi-user.target